Merge pull request httprunner#371 from HttpRunner/feature

display exception stage when exception occured httprunner#367

Merge branch 'master' of https://github.com/httprunner/HttpRunner

fix httprunner#278: len_eq for content

Merge pull request httprunner#339 from HttpRunner/logger

replace root logger with httprunner logger

bump to v1.5.9

update test data filename

Merge pull request httprunner#321 from HttpRunner/report

1.5.7

support validate with response time

bugfix: stringfy data before generating report

record more info about request and response, and display in report